public static void PopulateOperators(PdfContentStreamProcessor contentProcessor,
PdfCleanUpRenderListener pdfCleanUpRenderListener) {
foreach (String oper in contentProcessor.RegisteredOperatorStrings) {
PdfCleanUpContentOperator contentOperator = new PdfCleanUpContentOperator(pdfCleanUpRenderListener);
contentOperator.originalContentOperator = contentProcessor.RegisterContentOperator(oper, contentOperator);
}
}